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Socialʹnye problemy truda i proizvodstva : sovetsko-polʹskoe sravnitelʹnoe issledovanie
Osipov, Gennadij Vasilʹevič, (1969)
La moralité professionnelle des origines à nos jours
Prevet, François, (1955)
Trud i byt rabočich promyšlennosti, stroitel'stva i drugich otraslej narodnogo chozjajstva socialističeskich stran
Timofeeva, T. T., (1979)
Managing and financing the firm
Bernardo, Roberto M., (1971)
Moral stimulation and labor allocation in Cuba
Bernardo, Roberto M., (1972)
Pay and the new points system in Chinese agriculture
Bernardo, Roberto M., (1975)